Large Size Customization Riveted Tungsten Boat
1. Description of a Customized Large Tungsten Riveted Boat:
The tungsten boat becomes a riveted tungsten boat when two tungsten
plates are joined together using rivets. Drilling, spot facing,
deburring, inserting rivets, pressing the top die (top handle)
against the rivets, and machine riveting are the steps used to
create the form. The connecting of the rivets improves the
tightness of the connection and increases the strength of the
riveted tungsten boat. The riveted tungsten boat can be made larger
in size upon request.
Type | Main | Impurities <% |
W | Ce | Th | Re | Al | Ca | Fe | Mg | Mo | Ni | Si | C | N | O |
W1 | remainder | — | — | — | 0.002 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.003 | 0.005 | 0.003 | 0.005 |
W2 | 99.95 | — | — | — | 0.004 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.005 | 0.008 | 0.003 | 0.008 |
2. Production Process of Large Size Customization Riveted Tungsten Boat:
Active riveting, fixed riveting, and sealed riveting are the three
types of riveting. During active riveting, the joints can rotate
with each other, and the flexibility is strong. The joints in the
fixed riveting cannot move with each other. Workpieces made of
hermetic riveting are gas and liquid-tight. Generally, the tungsten
boat processing adopts the method of sealing riveting. Sealed
riveting is to use ring groove rivets, high shear rivets, threaded
hollow rivets, blind rivets, etc. Connection Type. First, drill the
joint of the tungsten plate, then deburr, then insert the tungsten
rivet, and finally use the top die (top handle) to hold the rivet,
and use the riveting machine to rive the tungsten boat into shape.
3. Use of Custom Riveted Large Size Boat in Tungsten:
Riveted tungsten boats are currently widely used in the vacuum
coating industry and the ship industry for sintering furnace
sintering or vacuum annealing. Tungsten boats are also widely used
in the electronic industry of picture tubes, mirrors, toys,
household appliances, mobile phones, and electrical enclosures
because of their good electrical conductivity, thermal
conductivity, high temperature resistance, wear resistance and
corrosion resistance. There are many specifications and shapes of
tungsten boats. In addition, tungsten boats have high melting
point, low saturated vapor pressure and stable chemical properties,
and are widely used as resistive evaporation sources in the vacuum
evaporation coating industry. Tungsten boat is an indispensable
part in vacuum coating equipment, and the choice of tungsten boat
determines the quality of the coating.
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